Edward l



(Model.)

B. L. PERRY.

ROD PACKING. No. 339,924. Patented Apr. 13, 1886.

4250 rfaey,

N. PETERS. FholoUUmgnpllcr. Walhingwn. 11c.

UNITED STATES PATENT OFFICE.

EDWARD PERRY, OF PATERSON, NEW JERSEY, ASSIGNOR TO HIMSELF AND HENRY S. WVI-NANS, OF LONG ISLAND CITY, NEW YORK.

ROD-PACKING.

SPECIFICATION forming part of Letters Patent No. 339,924, dated April 13, 1886.

Application filed October 30, 1885. Serial No. 181,380. (Model.)

To all whom it 71mg concern.-

Be it known that I, EDWARD L. PERRY, acitizen of the United States, residing at Paterson, in the county of Passaic and State of New Jersey, have invented certain new and useful Improvements in Rod-Packing; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, makinga part of this specification, and to the letters and figures of reference marked thereon.

Figure 1 of the drawings is a perspective view of my improved packing, showing the duck or fibrous covering partly unrolled and the plumbago coating partly broken away and Fig. 2, an end view thereof.

The present invention has relation to that class of rod and other packing consisting of a central elastic or yielding core and a covering of duck wound around the same, and the object thereof is to improve the construction of this class of packing, whereby its elasticity and lubricating qualities are increased; and it consists in coating the surface of the duck or other fibrous covering throughout its length or surface on both sides thereof, as will be hereinafter described.

In the accompanying drawings, A represents any suitable elastic or yielding core; and B,

the duck or fibrous covering wound around the same, as shown. The covering B is coated upon its surface with a preparation of plumbago, as shown at 0, said coating being on both sides. The covering B is prepared with the coating of plumbago previous to its being wound around the core A, so that the entire surface of the duck or fibrous material receives the plumbago coating. Thus when one layer of duck or fibrous covering is worn through the plumbago on the next layer is exposed and acts as a lubricant.

Having now fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

A rod or other packing consisting of an elastic or yielding core and a covering of duck or fibrous material having its entire surface on both sides coated with plumbago previous to its being Wound in layers around the core, substantially as and for the purpose specified.

In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.

EDWARD L. PERRY.

Witnesses:

W. E. STEARNs, M. P. CALLAN. 

